Home / 993,449.64-1,490,188.13-283,477.45

Finding the Fourth Proportional to 993,449.64, 1,490,188.13 and 283,477.45

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Solution

The fourth proportional to 993,449.64, 1,490,188.13 and 283,477.45 is: 425,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,449.64 : 1,490,188.13 = 283,477.45 : x
  2. Step 2: Convert to fraction form
    993,449.64/1,490,188.13 = 283,477.45/x
  3. Step 3: Cross multiply
    993,449.64x = 1,490,188.13 × 283,477.45
  4. Step 4: Simplify right side
    993,449.64x = 422,434,729,695.28
  5. Step 5: Solve for x
    x = 422,434,729,695.28/993,449.64
  6. Step 6: Final answer
    x = 425,220.07

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.